Family tree of Greek monarchs

The following is a family tree for the Kings of the Hellenes of the House of Schleswig-Holstein-Sonderburg-Glücksburg, which ruled Greece between the election of Prince Wilhelm of Denmark (George I) to replace Otto of Greece in 1863 until the declaration of the Second Hellenic Republic in 1924, and again from 1935 until the abolition of the monarchy during the reign of King Constantine II in 1973. Those who ruled Greece are given in bold capitals.

Christian IX of Denmark
1818–1906
r. 1863–1906
Constantine of Russia
1827–1892
Michael of Russia
1832–1909
Alexander II of Russia
1818–1881
r. 1855–1881
Robert, Duke of Chartres
1940–1910
Frederick VIII of Denmark
1843–1912
r. 1906–1912
Alexandra
1844–1925
m. Edward VII of the UK
GEORGE I
1845–1913
r. 1863–1913
OLGA Constantinovna
1851–1926
Regent 1920
Vladimir of Russia
1847–1909
Dagmar
1847–1928
Alexander III of Russia
1845–1894
r. 1881–1894
Frederick III of Germany
1831–1888
r. 1888–1888
Thyra
1853–1933
m. Ernest Augustus of Hanover
Valdemar
1859–1939
Marie of Orléans
1865–1909
Jean of Orléans
1874–1920
Sophia of Prussia
1870–1932
CONSTANTINE I
1868–1923
r. 1913–1917, 1920–1922
Alexandra
1870–1891
Paul of Russia
1860–1919
George of Russia
1863–1919
Maria
1876–1940
Andrew
1882–1944
m. Alice of Battenberg
Wilhelm II of Germany
1859–1941
r. 1888–1914
Aage
1887–1940
Axel
1888–1964
Erik
1890–1950
Viggo
1893–1970
Margaret
1895–1992
Christian X of Denmark
1870–1947
r. 1912–1947
George
1869–1957
m. Marie Bonaparte
Maria Pavlovna
1890–1958
Dimitri Pavlovich
1891–1941
Nicholas
1872–1938
Elena Vladimirovna
1882–1937
Olga
1881
Victoria Louise of Prussia
1892–1980
Ernest Augustus III of Hanover
1887–1953
Christopher
1888–1940
Françoise of Orléans
1902–1953
Peter
1908–1980
Eugenie
1910–1989
Olga
1903–1997
Elizabeth
1904–1955
Marina
1906–1968
Nina
1901–1974
Xenia
1903–1965
Margarita
1905–1981
Theodora
1906–1969
Cecilie
1911–1937
Philip
1921–2021
m. Elizabeth II of the UK
Sophie
1914–2001
George William of Hanover
1915–2006
Michael
1939–2024
m. Marina Karella
Frederik IX of Denmark
1899–1972
r. 1947–1972
GEORGE II
1890–1947
r. 1922–1924, 1935–1947
Elisabeth of Romania
1894–1956
ALEXANDER
1893–1920
r. 1917–1920
m. Aspasia Manos
Carol II of Romania
1893–1953
r. 1930–1940
Helen
1896–1982
PAUL
1901–1964
r. 1947–1964
Frederica of Hanover
1917–1981
Irene
1904–1974
m. Aimone, Duke of Aosta
Katherine
1913–2007
m. Richard Brandram
Margrethe II of Denmark
born 1940
r. 1972–2024
Alexandra
1921–1993
m. Peter II of Yugoslavia
Anne of Bourbon-Parma
1923–2016
Michael I of Romania
1921–2017
Sophia
born 1938
m. Juan Carlos I of Spain
Anne-Marie of Denmark
born 1946
CONSTANTINE II
1940–2023
r. 1964–1973
Irene
born 1942
Amadeo, Duke of Aosta
1943–2021
Paul Brandram
1948–2020
Alexia
born 1965
m. Carlos Morales Quintana
Pavlos
born 1967
m. Marie-Chantal Miller
Nikolaos
born 1969
m. Tatiana Ellinka Blatnik
Theodora
born 1983
m. Matthew Jeremiah Khumar
Philippos
born 1986
m. Nina Nastassja Flohr
Aimone, Duke of Aosta
born 1967
Olga
born 1973
Alexandra
born 1968